Method reference operator

Introduce the new operator for method reference, `.:`.
[Feature #12125] [Feature #13581]
[EXPERIMENTAL]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/node.c b/node.c
index d81a7319d3..7a962b9dea 100644
--- a/node.c
+++ b/node.c
@@ -934,6 +934,15 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
 	F_NODE(nd_args, "arguments");
 	return;
 
+      case NODE_METHREF:
+	ANN("method reference");
+	ANN("format: [nd_recv].:[nd_mid]");
+	ANN("example: foo.:method");
+	F_NODE(nd_recv, "receiver");
+	LAST_NODE;
+	F_ID(nd_mid, "method name");
+	return;
+
       case NODE_LAMBDA:
 	ANN("lambda expression");
 	ANN("format: -> [nd_body]");